Identify the percent of a change as an increase or decrease then find a percent of 3 inch round to the nearest 10th of a percent necessary 60 cars to 24 cars

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since the cosine is the ratio of the adjacent side to the hypotenuse, you can see that cos 60° = ½. answer. according to the property of cofunctions (topic 3), sin 30° is equal to cos 60°. sin 30° = ½.

The equation i believe is 4+ i am not sure about the part: the number of weeks in a group of days so i can't you on that part